▣ PRODUCT
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Interthane 990 (Polyurethane)
▣ PRODUCT DESCRIPTION
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A two component acrylic polyurethane finish giving excellent durability and long term recoatability.
▣ INTENDED USES
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Suitable for use in both new construction and as a maintenance finish which can be used in a wide variety of environments including offshore structures, chemical and petrochemical plants, bridges, pulp and paper mills, and in the power industry.
▣ PRACTICAL INFORMATION FOR INTERTHANE 990
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Color : Wide range via the Chromascan system.
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Volume Solids : 57% ±3% (depends on colour)
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Typical Thickness : 2-3 mils (50-75 microns) dry equivalent to 3.5-5.3 mils (88-132 microns) wet
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Method of Application : Airless Spray, Air Spray, Brush, Roller
▣ Drying Time
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Base Temperature : 77°F (25°C)
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Touch Dry : 90 minutes
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Hard Dry : 6 hours
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Overcoating Interval with recommended topcoats
- Minimum : 6 hours
- Maximum : Extended
▣ APPLICATION
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Mix Ratio : 6 part(s) : 1 part(s) by volume
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Airless Spray - Recommended
: Tip Range 13-18 thou (0.33-0.45 mm)
: Total output fluid pressure at spray tip not less than
2204 p.s.i (155 kg/cm²)
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Air Spray (Pressure Pot) - Recommended
: Gun DeVilbiss MBC or JGA
: Air Cap 704 or 765
: Fluid Tip E
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Brush : Suitable
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Roller : Suitable
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Thinner : International GTA713
(International GTA733 or GTA056)
▣ SYSTEMS COMPATIBILITY
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The following primers/intermediates are recommended for Intrhthane 990:
Intercure 200 Interseal 670HS
Intercure 200HS Interzinc 315
Intercure 420 Interzinc 52
Intergard 251 Interzinc 52HS
Intergard 269 Interzone 505
Intergard 345 Interzone 954
Intergard 475HS Interzone 1000
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Interthanel 990 is designed only to be topcoated with itself.
▣ STORAGE
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Part A 24 months minimum at 77°F (25°C).
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Part B 12 months minimum at 77°F (25°C).
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Subject to re-inspection thereafter. Store in dry, shaded conditions away from sources of heat and ignition.